git: 1f7e3572644e - main - fwctl_fetch: Add a comment describing the tool.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=1f7e3572644ef46c27439c89ab1bb09d140dc30e

commit 1f7e3572644ef46c27439c89ab1bb09d140dc30e
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2023-07-07 20:06:12 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-07-07 20:06:26 +0000

    fwctl_fetch: Add a comment describing the tool.
    
    I meant to include this in the earlier commit adding fwctl_fetch but
    forgot to amend the commit before pushing it.
---
 tools/tools/bhyve/fwctl_fetch.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/tools/bhyve/fwctl_fetch.c b/tools/tools/bhyve/fwctl_fetch.c
index f3139cf4f010..1f504dc499cf 100644
--- a/tools/tools/bhyve/fwctl_fetch.c
+++ b/tools/tools/bhyve/fwctl_fetch.c
@@ -4,6 +4,12 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+/*
+ * Fetch the value of fwctl nodes from a guest.
+ *
+ * Usage: fwctl_fetch <node>
+ */
+
 #include <sys/param.h>
 #include <err.h>
 #include <fcntl.h>